WO2024020938A1 - Procédé de communication sans fil, dispositif terminal et dispositif réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif réseau Download PDF

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Publication number
WO2024020938A1
WO2024020938A1 PCT/CN2022/108641 CN2022108641W WO2024020938A1 WO 2024020938 A1 WO2024020938 A1 WO 2024020938A1 CN 2022108641 W CN2022108641 W CN 2022108641W WO 2024020938 A1 WO2024020938 A1 WO 2024020938A1
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Prior art keywords
priority
unlicensed spectrum
sidelink
services
service
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PCT/CN2022/108641
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English (en)
Chinese (zh)
Inventor
张博源
卢前溪
冷冰雪
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/108641 priority Critical patent/WO2024020938A1/fr
Publication of WO2024020938A1 publication Critical patent/WO2024020938A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • Embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method, terminal equipment, and network equipment.
  • LBT Listen Before Talk
  • terminal equipment can use resources on the unlicensed spectrum to transmit sidelink services.
  • LBT needs to be performed before transmitting sidelink services.
  • This application provides a wireless communication method, terminal equipment and network equipment, which is beneficial to improving transmission performance.
  • the first aspect provides a wireless communication method, including: a terminal device adjusts the priority of sidelink services on the unlicensed spectrum according to the channel status on the unlicensed spectrum.
  • a wireless communication method including: a network device sending first information to a terminal device, the first information being used to indicate adjustment information of the priority of sidelink services on the unlicensed spectrum, the The adjustment information is related to the channel status of the license-free spectrum.
  • a third aspect provides a terminal device for executing the method in the above first aspect or its respective implementations.
  • the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its respective implementations.
  • a fourth aspect provides a network device for performing the method in the above second aspect or its respective implementations.
  • the communication device includes a functional module for performing the method in the above second aspect or its respective implementations.
  • a terminal device including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the method in the above first aspect or its implementations.
  • a sixth aspect provides a network device, including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory, and execute the method in the above second aspect or its respective implementations.
  • a seventh aspect provides a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from a memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or implementations thereof. method.
  • An eighth aspect provides a computer-readable storage medium for storing a computer program, the computer program causing the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a computer program product including computer program instructions, which cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a tenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • the terminal equipment can adjust the priority of the sidelink services on the unlicensed spectrum according to the channel status on the unlicensed spectrum, which is conducive to ensuring that appropriate transmission methods are used to transmit the unlicensed spectrum under different channel conditions.
  • Sidelink services on licensed spectrum improve transmission performance.
  • Figure 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of another communication system architecture applied in the embodiment of the present application.
  • Figure 3 is a schematic diagram of the transmission protocol stack in the 5G system.
  • Figure 4 is a schematic interaction diagram of a wireless communication method provided by an embodiment of the present application.
  • Figure 5 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Figure 6 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • Figure 7 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Figure 8 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • Figure 9 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi wireless fidelity
  • 5G fifth-generation communication
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) deployment scenario.
  • CA Carrier Aggregation
  • DC Dual Connectivity
  • SA standalone deployment scenario.
  • the communication system in the embodiment of the present application can be applied to the unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or the communication system in the embodiment of the present application can also be applied to the licensed spectrum, where, Licensed spectrum can also be considered as unshared spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • User Equipment User Equipment
  • the terminal device can be a station (STATION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, or a personal digital assistant.
  • PDA Personal Digital Assistant
  • handheld devices with wireless communication capabilities computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites). superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, or an augmented reality (Augmented Reality, AR) terminal.
  • Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the network device may be a device used to communicate with mobile devices.
  • the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA.
  • BTS Base Transceiver Station
  • it can be a base station (NodeB, NB) in WCDMA, or an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network network equipment or base station (gNB) or network equipment in the future evolved PLMN network or network equipment in the NTN network, etc.
  • NodeB base station
  • gNB NR network network equipment or base station
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device can be a satellite or balloon station.
  • the satellite can be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geosynchronous orbit (geostationary earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite ) satellite, etc.
  • the network device may also be a base station installed on land, water, etc.
  • network equipment can provide services for a cell, and terminal equipment communicates with the network equipment through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell can be a network equipment ( For example, the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • the small cell here can include: urban cell (Metro cell), micro cell (Micro cell), pico cell ( Pico cell), femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • correlate can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
  • predefinition or “preconfiguration” can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • devices for example, including terminal devices and network devices.
  • predefined can refer to what is defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, which may include, for example, LTE protocol, NR protocol, and related protocols applied in future communication systems. This application does not limit this.
  • FIG. 1 is a schematic diagram of a communication system applicable to the embodiment of the present application.
  • the transmission resources of the vehicle-mounted terminals (vehicle-mounted terminal 121 and vehicle-mounted terminal 122) are allocated by the base station 110, and the vehicle-mounted terminals transmit data on the sidelink according to the resources allocated by the base station 110.
  • the base station 110 may allocate resources for a single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
  • FIG. 2 is a schematic diagram of another communication system applicable to the embodiment of the present application.
  • the vehicle-mounted terminals (vehicle-mounted terminal 131 and vehicle-mounted terminal 132) independently select transmission resources on the resources of the side link for data transmission.
  • the vehicle-mounted terminal can select transmission resources randomly or select transmission resources through listening.
  • device-to-device communication is a Sidelink (SL) transmission technology based on Device to Device (D2D), which is different from the traditional cellular system in which communication data is received or sent through the base station.
  • SL Sidelink
  • D2D Device to Device
  • the methods are different.
  • the Internet of Vehicles system uses end-to-end direct communication, so it has higher spectrum efficiency and lower transmission delay.
  • Mode A The transmission resources of the terminal are allocated by the base station, and the terminal transmits data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, or can allocate semi-static transmission resources to the terminal. resource.
  • Mode B The terminal selects a resource in the resource pool for data transmission.
  • Proximity-based Services involve device-to-device communication, mainly targeting public safety services.
  • ProSe by configuring the position of the resource pool in the time domain, for example, the resource pool is discontinuous in the time domain, so that the UE can transmit/receive data discontinuously on the sidelink, thereby achieving the effect of power saving.
  • the Internet of Vehicles system is mainly studied for vehicle-to-vehicle communication scenarios, which are mainly oriented to relatively high-speed moving vehicle-to-vehicle and vehicle-to-human communication services.
  • V2X since the vehicle system has continuous power supply, power efficiency is not the main issue, but the delay of data transmission is the main issue. Therefore, the system design requires the terminal equipment to transmit and receive continuously.
  • Wearable device (FeD2D) scenario has been studied on the scenario where wearable devices access the network through mobile phones. It is mainly oriented to low mobile speed and low power access scenarios.
  • the base station can configure the Discontinuous Reception (DRX) parameters of the remote terminal through a relay terminal.
  • DRX Discontinuous Reception
  • a multi-carrier mechanism is introduced, which is mainly reflected in the fact that the UE can support data packet segmentation and transmit data packets through multiple carriers to improve the data transmission rate; data packet replication, copying the same data packet into two copies, through Two carriers are sent to improve transmission reliability; and multi-carrier reception enhancement at the receiving end.
  • Sidelink communication supports sidelink packet replication and is executed at the UE's Packet Data Convergence Protocol (PDCP) layer.
  • PDCP Packet Data Convergence Protocol
  • PDU Packet Data Convergence Protocol
  • Duplicate PDCP PDUs of the same PDCP entity are submitted to two different Radio Link Control (RLC) entities and are respectively associated with two different sidelink logical channels. Duplicate PDCP PDUs for the same PDCP entity are only allowed to be transmitted on different sidelink carriers.
  • RLC Radio Link Control
  • NR-V2X New Radio-Vehicle to Everything
  • autonomous driving is supported, which puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower latency, higher reliability, larger coverage, more flexible resource allocation, etc.
  • the broadcast transmission method is supported, and in the NR-V2X system, unicast and multicast transmission methods are introduced.
  • the NR V2X system can also define the above two resource authorization modes mode A/mode B.
  • Resource acquisition is indicated through sidelink authorization, that is, the sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
  • sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • HARQ Hybrid Automatic Repeat reQuest
  • a Layer 2-based UE-to-Network relay UE is introduced, and the UE-to-Network relay UE can directly connect to the network.
  • the remote terminal connects the UE to the access network (such as gNB) and the core network (Core Network, CN) (such as 5GC) through the UE-to-Network relay.
  • the access network such as gNB
  • the core network Core Network, CN
  • 5GC 5GC
  • FIG 3 shows a schematic diagram of the transmission protocol stack of the 5G system, specifically involving the remote UE (Remote UE), layer 2 UE-to-Network relay UE, gNB and 5GC.
  • the remote UE may include the following layers: Internet Protocol (IP), Uu-Service Data Adaptation Protocol (SDAP), Uu-Packet Data Convergence Protocol (Packet Data Convergence Protocol) , PDCP), PC5-Radio Link Control (RLC), PC5-Media Access Control (MAC), PC5-Physics (PHY).
  • IP Internet Protocol
  • SDAP Uu-Service Data Adaptation Protocol
  • SDAP Uu-Packet Data Convergence Protocol
  • PDCP PC5-Radio Link Control
  • RLC PC5-Media Access Control
  • PHY PC5-Physics
  • UE-to-Network relay UE may include the following layers: Adaptation (ADAPT), PC5-RLC, PC5-MAC, PC5-PHY, Uu-RLC, Uu-MAC, and Uu-PHY.
  • gNB can include the following layers: Uu-SDAP, Uu-PDCP, ADAPT, Uu-RLC, Uu-MAC, Uu-PHY, N3 protocol stack.
  • 5GC can include the following layers: IP, N3 protocol stack.
  • the adaptation layer of the relay UE is set above the control plane and user plane RLC layer of the Uu interface between the relay UE and the gNB.
  • Uu-SDAP, Uu-PDCP and Radio Resource Control (RRC) are terminated between the remote UE and gNB, and RLC, MAC and PHY are terminated in each link (including between the remote UE and the relay UE). and the link between relay UE and gNB).
  • RRC Radio Resource Control
  • the link between the relay UE and the network may be called a Uu link or Uu path, and the direct link between the remote UE and the network may also be called a Uu link or Uu path.
  • the link between the end UE and the relay UE may be called a PC5 link or PC5 path.
  • the adaptation layer of the relay UE supports access to the uplink bearer mapping between PC5 RLC channels, which is used to perform transmission on the Uu path between the relay UE and the network and to access the Uu channel.
  • uplink bearer mapping between PC5 RLC channels, which is used to perform transmission on the Uu path between the relay UE and the network and to access the Uu channel.
  • different end-to-end bearers of the same remote UE and/or different remote UEs for example, signaling radio bearers (SRB), data radio bearers (DRB) )
  • SRB signaling radio bearers
  • DRB data radio bearers
  • the adaptation layer of the relay UE includes the identification information of the remote terminal of the uplink service to be relayed and the identification information of the radio bearer of the remote terminal, so that the gNB can associate the specific packet data aggregation protocol with the radio bearer of the remote terminal.
  • PDCP Packet Data Convergence Protocol
  • the adaptation layer of the relay UE can be used to support downlink bearer mapping at the gNB to map the end-to-end radio bearers (e.g. SRB, DRB) of the remote terminal to the Uu RLC channel through the Uu path between the relay UE and the network .
  • the adaptation layer of the relay UE may be used to support multiple end-to-end radio bearers (e.g. SRB, DRB) for remote UEs and/or different remote UEs and Uu RLC channels on the Uu path between the relay UE and the network.
  • the adaptation layer of the relay UE includes identification information of the remote terminal of the downlink service to be relayed.
  • the identification information of the radio bearer of the remote terminal and the identification information of the remote terminal need to be put into the adaptation layer of the relay UE through the gNB, so that the relay UE can map the data packets received from the radio bearer of the remote terminal to the data packets corresponding to the radio bearer of the remote terminal.
  • the radio bears the associated PC5 RLC channel.
  • the terminal device will trigger the sidelink RRC reconfiguration process in the following scenarios:
  • terminal equipment can use unlicensed spectrum to transmit sidelink services.
  • LBT needs to be performed before transmitting sidelink services.
  • there are both services on the licensed spectrum and sidelink services on the unlicensed spectrum how to conduct the service? Transmission is an urgent problem that needs to be solved.
  • Figure 4 is a schematic interaction diagram of a wireless communication method 400 according to an embodiment of the present application. As shown in Figure 4, the method 400 includes at least part of the following content:
  • S410 The terminal device adjusts the priority of the sidelink service on the unlicensed spectrum according to the channel status of the unlicensed spectrum.
  • the priority of side-link services on the unlicensed spectrum is not static.
  • the terminal device can adjust the priority of side-link services on the unlicensed spectrum according to the channel status of the unlicensed spectrum. It is helpful to ensure that under different channel conditions of the unlicensed spectrum, appropriate transmission methods are used to transmit sidelink services on the unlicensed spectrum and improve transmission performance.
  • the lower the priority value of the sidelink service the higher the priority.
  • S410 may include:
  • the priority of the sidelink service on the unlicensed spectrum is reduced, that is, the priority value of the sidelink service is increased.
  • channel status on the unlicensed spectrum is related to LBT events on the unlicensed spectrum.
  • the channel status on the unlicensed spectrum includes but is not limited to at least one of the following:
  • LBT recovery (or LBT failure recovery) occurs on the license-free spectrum.
  • the terminal device can reduce the priority of the sidelink service on the unlicensed spectrum, thereby causing the sidelink service on the unlicensed spectrum to conflict with other services on the licensed spectrum.
  • Other services on the licensed spectrum are prioritized for transmission, improving overall transmission performance.
  • the terminal device can increase the priority of the sidelink services on the unlicensed spectrum, so that the sidelink services on the unlicensed spectrum are transmitted preferentially. Improve overall transmission performance.
  • said 410 includes:
  • the adjustment information is related to the channel status on the license-free spectrum.
  • the first information is related to the channel status of the unlicensed spectrum, and may also include the first information being related to the LBT event on the unlicensed spectrum.
  • the first information may be used to determine a target priority (ie, adjusted priority) of sidelink traffic on the unlicensed spectrum.
  • the first information is used to determine the adjustment amount (or adjusted priority) of the priority of the sidelink traffic on the unlicensed spectrum when a specific LBT event occurs, or the LBT event on the unlicensed spectrum is converted from an LBT event. It is the adjustment amount (or adjusted priority) of the priority of sidelink traffic on the unlicensed spectrum when another LBT event occurs.
  • it can also be used to determine the sidelink traffic on the unlicensed spectrum before and after a specific LBT event. The corresponding relationship between the priorities, or the corresponding relationship between the priorities of the sidelink services on the unlicensed spectrum when the LBT event on the unlicensed spectrum is converted from one LBT event to another LBT event.
  • different LBT events may correspond to different priority adjustment amounts, or different initial priorities may correspond to different priority adjustment amounts.
  • This application is specific to The adjustment method is not limited.
  • the first information is used to indicate a correspondence between the channel status on the unlicensed spectrum and the adjustment information of the priority of the sidelink service on the unlicensed spectrum.
  • the adjustment information here may refer to the adjustment amount, or may also refer to the adjusted priority.
  • Example 1 The first information is used to indicate the correspondence between the channel status on the unlicensed spectrum and the adjustment amount of the priority of the sidelink service on the unlicensed spectrum.
  • the first information includes but is not limited to at least one of the following:
  • First indication information used to indicate the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur. adjustment amount;
  • Second indication information used to indicate the adjustment of the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs.
  • Third indication information used to indicate the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur. Adjustment amount.
  • Example 2 The first information is used to indicate the correspondence between the channel status on the unlicensed spectrum and the adjusted priority of the sidelink service on the unlicensed spectrum.
  • the first information includes but is not limited to at least one of the following:
  • the first correspondence is used to indicate the correspondence between the priority of the sidelink service on the unlicensed spectrum when the first LBT event does not occur and the priority of the sidelink service on the unlicensed spectrum when the first LBT event occurs;
  • the second correspondence is used to indicate the correspondence between the priority of the sidelink service on the unlicensed spectrum when the second LBT event occurs and the priority of the sidelink service on the unlicensed spectrum when the first LBT event occurs;
  • the third correspondence is used to indicate the correspondence between the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur and the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs. relation;
  • the first priority is used to indicate the adjusted priority of the sidelink traffic on the unlicensed spectrum in the event of the first LBT event;
  • the second priority is used to indicate the adjusted priority of sidelink traffic on the unlicensed spectrum in the event of a second LBT event.
  • the first LBT event may be an event indicating poor channel status on the unlicensed spectrum, including but not limited to an LBT failure event and/or an LBT continuous failure event.
  • the first LBT event is an LBT failure event as an example, but the application is not limited thereto.
  • the second LBT event may be an event indicating that the channel status on the unlicensed spectrum is better, including but not limited to an LBT recovery event.
  • the first indication information is used to indicate the first adjustment amount.
  • the terminal device can determine the adjusted value of the sidelink service on the license-free spectrum when the LBT failure occurs based on the priority of the sidelink service on the license-free spectrum when the LBT failure does not occur and the first adjustment amount. priority.
  • the second indication information is used to indicate the second adjustment amount.
  • the terminal device can determine the adjusted side traffic of the license-free spectrum when LBT recovery occurs based on the priority of the side-link service on the license-free spectrum when LBT failure occurs and the second adjustment amount. priority.
  • the third indication information is used to indicate the third adjustment amount.
  • the terminal device can determine the adjusted side traffic value of the unlicensed spectrum when LBT recovery occurs based on the priority of the side link business on the unlicensed spectrum when LBT failure does not occur and the third adjustment amount. priority.
  • the first adjustment amount may be a positive value.
  • the terminal device may add the first adjustment to the priority of the sidelink traffic on the unlicensed spectrum when the LBT failure does not occur. The amount is used to obtain the adjusted priority of the side-link services on the unlicensed spectrum when LBT failure occurs, thereby achieving the purpose of reducing the priority of the side-link services on the unlicensed spectrum, thereby reducing the side-link business on the unlicensed spectrum. Transmitted with low priority.
  • the second adjustment amount may be a negative value. Then when LBT recovery occurs, the terminal device may add the second adjustment amount to the priority of the sidelink traffic on the unlicensed spectrum when LBT failure occurs. , obtain the adjusted priority of the sidelink services on the unlicensed spectrum when LBT recovery occurs, thereby achieving the purpose of improving the priority of the sidelink services on the unlicensed spectrum, thereby causing the sidelink services on the unlicensed spectrum to be Prioritize transmission.
  • the third adjustment amount may be a negative value. Then when LBT recovery occurs, the terminal device may add the third adjustment to the priority of the sidelink traffic on the unlicensed spectrum when LBT failure does not occur. The amount is used to obtain the adjusted priority of the sidelink services on the unlicensed spectrum when LBT recovery occurs, thereby achieving the purpose of improving the priority of the sidelink services on the unlicensed spectrum, thereby making the sidelink services on the unlicensed spectrum are transmitted with priority.
  • the terminal device may adjust the priority of the sidelink traffic on the unlicensed spectrum to the first priority. For example, when the first LBT event occurs, the terminal device can adjust the priority of all sidelink services on the unlicensed spectrum to a fixed priority.
  • the terminal device may adjust the priority of sidelink traffic on the unlicensed spectrum to the second priority. For example, when a second LBT event occurs, the terminal device can adjust the priority of all sidelink services on the unlicensed spectrum to a fixed priority.
  • the first correspondence is used to indicate the correspondence between the priority of the sidelink service on the unlicensed spectrum when LBT failure occurs and the priority of the sidelink service on the unlicensed spectrum when LBT failure does not occur.
  • the priority of sidelink services on the unlicensed spectrum is priority 1 when LBT failure occurs, and the priority of sidelink services on the unlicensed spectrum when LBT failure does not occur is priority.
  • the level is priority 2, where the value of priority 1 is higher than the value of priority 2, that is, the priority of the sidelink service on the license-free spectrum in the case of LBT failure is lower than that in the case of no LBT failure.
  • the priority corresponding to sidelink services on the unlicensed spectrum.
  • adjusting the priority of the sidelink service on the unlicensed spectrum based on the first correspondence relationship can realize that when an LBT failure occurs, the priority of the sidelink business on the unlicensed spectrum can be adjusted to a lower priority, so that the unlicensed spectrum can be adjusted to a lower priority.
  • Sidelink services on the licensed spectrum are transmitted with low priority, which in turn enables services on the licensed spectrum to be transmitted with priority, improving overall transmission performance.
  • the second correspondence is used to indicate the correspondence between the priority of the sidelink traffic on the unlicensed spectrum when LBT recovery occurs and the priority of the sidelink traffic on the unlicensed spectrum when LBT fails.
  • the priority of sidelink services on the unlicensed spectrum is priority 3
  • the priority of sidelink services on the unlicensed spectrum is priority level 4.
  • the value of priority 4 is higher than the value of priority 3, that is, the priority of the sidelink service on the license-free spectrum when LBT fails is lower than the priority of the sidelink service on the license-free spectrum when LBT is restored. corresponding priority.
  • adjusting the priority of the sidelink services on the unlicensed spectrum based on the second correspondence relationship can realize that when LBT recovery occurs, the priority of the sidelink services on the unlicensed spectrum can be adjusted to a higher priority, so that the unlicensed spectrum can be adjusted to a higher priority.
  • Sidelink services on licensed spectrum are transmitted with priority, improving overall transmission performance.
  • the third correspondence is used to indicate the correspondence between the priority of sidelink traffic on the unlicensed spectrum when LBT recovery occurs and the priority of sidelink traffic on the unlicensed spectrum when LBT failure does not occur.
  • the priority of the sidelink service on the unlicensed spectrum is priority 5
  • the priority of the sidelink service on the unlicensed spectrum is priority 5. It is priority 6, where the value of priority 6 is higher than the value of priority 5, that is, the priority of the sidelink service on the unlicensed spectrum when LBT failure does not occur is lower than that of the unlicensed spectrum when LBT recovery occurs.
  • the priority corresponding to the side-linked business.
  • adjusting the priority of the sidelink services on the unlicensed spectrum based on the third corresponding relationship can realize that when LBT recovery occurs, the priority of the sidelink services on the unlicensed spectrum can be adjusted to a higher priority, so that the unlicensed spectrum can be adjusted to a higher priority.
  • Sidelink services on licensed spectrum are transmitted with priority, improving overall transmission performance.
  • the first information is configured by the network device, or is predefined, or determined according to preset rules.
  • all the content in the first information may be configured by the network device, or part of the content may be configured by the network device, and other content is predefined or determined according to preset rules. This application applies This is not a limitation.
  • the network device and the terminal device have the same understanding of the first information.
  • the method 400 further includes:
  • the network device sends the first information to the terminal device.
  • the first information may be configured through at least one of the following signaling:
  • Broadcast messages such as RRC signaling.
  • the network device may send the first information through a broadcast message.
  • the network device may send the first information through dedicated signaling.
  • the first information can be obtained through preconfiguration.
  • the S410 may include:
  • the priority of the sidelink service on the unlicensed spectrum is adjusted according to the channel status on the unlicensed spectrum.
  • the terminal device when LBT failure occurs on the unlicensed spectrum, the terminal device adjusts the priority of the sidelink service on the unlicensed spectrum according to the first indication information, the first correspondence relationship or the first priority.
  • the priority of the sideline service plus the adjustment amount indicated by the first indication information is used as the adjusted priority of the sideline business, where the adjustment amount indicated by the first indication information is a positive value.
  • the first priority is determined as the adjusted priority of the sidelink service.
  • the terminal device when LBT recovery occurs on the unlicensed spectrum, the terminal device adjusts the unlicensed spectrum according to the second indication information, the third indication information, the second correspondence relationship, the third correspondence relationship or the second priority. Your sideline priorities on the spectrum.
  • the priority of the sideline service plus the adjustment amount indicated by the second indication information is used as the adjusted priority of the sideline service, where the adjustment amount indicated by the second indication information is negative value.
  • the priority of the sideline service when the LBT failure does not occur plus the adjustment amount indicated by the third indication information is used as the adjusted priority of the sideline business, wherein the adjustment amount indicated by the third indication information is a negative value.
  • the second priority is determined as the adjusted priority of the sidelink service.
  • the method 400 further includes:
  • prioritized services and/or de-prioritized services are determined among the plurality of services to be transmitted, and the plurality of services to be transmitted include free services.
  • the priority of the sidelink service on the unlicensed spectrum may be the adjusted priority of the sidelink service (for specific adjustment methods, please refer to the relevant description of the previous embodiment), or it may be unadjusted. passed priority.
  • the priority of side-link services on the unlicensed spectrum refers to the unadjusted priority
  • the adjusted priority of the side-link services on the unlicensed spectrum refers to the priority based on the unlicensed spectrum. Adjusted priority of channel status on the spectrum.
  • the plurality of services to be transmitted include at least two of the following services:
  • sidelink services on the licensed spectrum may include but are not limited to sidelink services in the LTE system, such as V2X services.
  • sidelink traffic on the unlicensed spectrum may include, but is not limited to, sidelink traffic on the unlicensed spectrum in an NR system.
  • the terminal device may first determine whether the capability of the terminal device is capable of transmitting the multiple services to be transmitted. If the capability of the terminal device can transmit the multiple services to be transmitted simultaneously, the terminal device may determine to transmit the multiple services to be transmitted simultaneously. When the capability of the terminal device cannot transmit the multiple services to be transmitted simultaneously, the terminal device may determine the service to be transmitted with priority and/or the service to be transmitted with low priority among the multiple services to be transmitted. For example, the terminal device determines a service to be transmitted with priority and/or a service to be transmitted with low priority according to the priorities of the multiple services to be transmitted and/or the channel status of the unlicensed spectrum.
  • the terminal device when the terminal device determines a service to be transmitted with priority and/or a service with low priority among multiple services to be transmitted, it can directly compare based on the priorities of the multiple services to be transmitted, or , you can also compare the priority of the service to be transmitted with the corresponding priority threshold. For example, it is determined that services with a priority higher than the priority threshold are services that can be transmitted with priority, and services with a priority lower than the priority threshold are determined as services that cannot be transmitted with priority (or, in other words, services with low priority transmission).
  • Scenario 1 The multiple services to be transmitted include sidelink services on the licensed spectrum and sidelink services on the unlicensed spectrum.
  • the terminal device can compare the priorities of the multiple services to be transmitted to determine the service to be transmitted with priority and/or the service to be transmitted with low priority.
  • Scenario 2 The multiple services to be transmitted include uplink services and sidelink services on the unlicensed spectrum.
  • the terminal device can compare the priority thresholds corresponding to the uplink services and the sidelink services on the licensed spectrum to determine the services to be transmitted with priority and/or the services to be transmitted with low priority.
  • the priority threshold of sidelink traffic on the unlicensed spectrum may be the first priority threshold.
  • the first priority threshold may be a priority threshold dedicated to sidelink services on the unlicensed spectrum, or it may be a priority shared by sidelink services on the unlicensed spectrum and sidelink services on the licensed spectrum. Threshold.
  • the first priority threshold may be configured by the network device, or may be predefined, or determined according to preset rules.
  • the terminal device can preferentially transmit the unlicensed spectrum.
  • Sidelink services on the network that is, the sidelink services can be transmitted with priority.
  • the terminal device may not be able to transmit the side traffic on the unlicensed spectrum preferentially.
  • Sideline services that is, sideline services cannot be transmitted preferentially.
  • Embodiment 1 Multiple services to be transmitted include side-link services on the licensed spectrum and side-link services on the unlicensed spectrum.
  • the terminal device when the terminal device can simultaneously transmit sidelink services on the licensed spectrum and sidelink services on the unlicensed spectrum, the terminal device can simultaneously transmit sidelink services on the licensed spectrum and sidelink services on the unlicensed spectrum. Side business.
  • the terminal device when the terminal device cannot simultaneously transmit sidelink services on the licensed spectrum and sidelink services on the unlicensed spectrum, the terminal device can transmit the sidelink services on the licensed spectrum and the unlicensed spectrum according to the priority of the sidelink services on the licensed spectrum and the unlicensed spectrum. At least one of the target priority of the sidelink traffic on the unlicensed spectrum and the channel status on the unlicensed spectrum determines the traffic to be transmitted with priority and/or the traffic to be transmitted with low priority.
  • the terminal device can compare the priority of the sidelink service on the licensed spectrum with the target priority of the sidelink service on the unlicensed spectrum, and determine the priority transmission service and/or the low priority transmission service, wherein,
  • the target priority of the sidelink service on the unlicensed spectrum may be the priority adjusted according to the channel status on the unlicensed spectrum (for specific adjustment methods, please refer to the relevant descriptions of the foregoing embodiments), or it may be the priority on the unlicensed spectrum.
  • the unadjusted priority of side traffic may be the priority adjusted according to the channel status on the unlicensed spectrum (for specific adjustment methods, please refer to the relevant descriptions of the foregoing embodiments), or it may be the priority on the unlicensed spectrum.
  • the terminal device may preferentially transmit the side-link traffic on the unlicensed spectrum and/or the low-priority transmission Sidelink services on licensed spectrum.
  • the terminal device may preferentially transmit the sidelink service on the licensed spectrum and/or transmit with low priority. Sidelink traffic on unlicensed spectrum.
  • the terminal device when the first LBT event or the second LBT event occurs on the unlicensed spectrum, the terminal device adjusts the priority according to the adjusted priority (specific adjustment method) of the sidelink service on the unlicensed spectrum.
  • the adjusted priority specifically adjustment method
  • the priorities of sidelink services on the licensed spectrum determine the services for priority transmission and/or the services for low-priority transmission.
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum, determine that the sidelink service on the unlicensed spectrum is transmitted first and/or Sidelink traffic on the licensed spectrum is transmitted with low priority.
  • the adjusted priority of the sidelink service on the unlicensed spectrum is lower than the priority of the sidelink service on the licensed spectrum, it is determined to prioritize the transmission of the sidelink service on the licensed spectrum and/or Sidelink traffic on the unlicensed spectrum is transmitted with low priority.
  • the terminal device determines the priority of the sidelink traffic on the unlicensed spectrum (that is, the priority is not adjusted) and the The priority of sidelink services on the licensed spectrum determines the services that are transmitted with priority and/or the services that are transmitted with low priority.
  • the priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum, it is determined to prioritize the transmission of the sidelink service on the unlicensed spectrum and/or low-priority transmission.
  • Sidelink services on the licensed spectrum are higher than the priority of the sidelink service on the licensed spectrum.
  • the priority of the sidelink service on the unlicensed spectrum is lower than the priority of the sidelink service on the licensed spectrum, it is determined to prioritize transmission of the sidelink service on the licensed spectrum and/or low-priority transmission.
  • Sidelink services on the unlicensed spectrum are lower than the priority of the sidelink service on the licensed spectrum.
  • the terminal device when the terminal device cannot obtain the first information, the terminal device can adjust the priority according to the channel status on the unlicensed spectrum and the priority of the sidelink service on the unlicensed spectrum (that is, without adjusting the priority ) and the priority of sidelink services on the licensed spectrum, determine the services to be transmitted with priority and/or the services to be transmitted with low priority.
  • the terminal device can be based on the priority of the sidelink service on the unlicensed spectrum (that is, the priority is not adjusted) and the The priority of sidelink services on the licensed spectrum determines the services that are transmitted with priority and/or the services that are transmitted with low priority. For example, if the priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum, it is determined to prioritize the transmission of the sidelink service on the unlicensed spectrum and/or low-priority transmission. Sidelink services on the licensed spectrum.
  • the priority of the sidelink service on the unlicensed spectrum is lower than the priority of the sidelink service on the licensed spectrum, it is determined to prioritize transmission of the sidelink service on the licensed spectrum and/or low-priority transmission.
  • Sidelink services on the unlicensed spectrum are lower than the priority of the sidelink service on the licensed spectrum.
  • the terminal device may determine to give priority to transmit the side traffic on the licensed spectrum and/or to transmit the side traffic on the unlicensed spectrum with low priority. Do business.
  • the terminal device may determine to give priority to transmit sidelink services on the unlicensed spectrum and/or to transmit sidelink services on the licensed spectrum with low priority.
  • Embodiment 1-1, Embodiment 1-2 and Embodiment 1-3 may be executed when the terminal device cannot transmit the multiple to-be-transmitted services at the same time, or may also be performed based on the capability of the terminal device. It does not matter, this application does not limit this.
  • the terminal device may determine to transmit sidelink services on the licensed spectrum with priority and/or transmit sidelink services on the unlicensed spectrum with low priority when the first condition is met. business;
  • the first condition includes at least one of the following:
  • the first LBT event occurs on the unlicensed spectrum
  • the priority of sidelink services on the licensed spectrum is higher than the priority of sidelink services on the unlicensed spectrum
  • the priority of sidelink services on the licensed spectrum is higher than the adjusted priority of sidelink services on the unlicensed spectrum.
  • the terminal device may determine to transmit sidelink services on the unlicensed spectrum with priority, and/or transmit sidelink services on the licensed spectrum with low priority. business;
  • the second condition includes at least one of the following:
  • the first LBT event did not occur on the unlicensed spectrum
  • a second LBT event occurs on the unlicensed spectrum
  • the priority of sidelink services on the unlicensed spectrum is higher than the priority of sidelink services on the licensed spectrum
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum.
  • Embodiment 2 Multiple services to be transmitted include sidelink services and uplink services on the unlicensed spectrum
  • the plurality of services to be transmitted include uplink services
  • the priority of the uplink service when the priority of the uplink service is higher than the priority threshold corresponding to the uplink service (that is, the priority of the uplink service is higher), it is determined to transmit the uplink service with priority and/or transmit the uplink service with low priority. Sidelink traffic on unlicensed spectrum.
  • the terminal device can use the sidelink service on the unlicensed spectrum to Whether the service can be transmitted with priority determines the service for priority transmission and/or the service for low priority transmission.
  • the terminal device may determine whether the sidelink service on the unlicensed spectrum can be transmitted preferentially based on the target priority of the sidelink service on the unlicensed spectrum.
  • the terminal device can determine the priority transmission based on the target priority of the sidelink service on the unlicensed spectrum. traffic and/or traffic for low priority transmission.
  • the target priority of the sidelink services on the unlicensed spectrum may be a priority adjusted according to the channel status on the unlicensed spectrum, or may be an unadjusted priority of the sidelink services on the unlicensed spectrum. priority.
  • the terminal device determines the priority transmission service according to the adjusted priority of the sidelink service on the license-free spectrum. and/or low priority transmission services.
  • the terminal device determines priority transmission services and/or low-level traffic based on the unadjusted priority of side traffic on the unlicensed spectrum. Prioritize transmission of services.
  • the target priority of the sidelink service on the unlicensed spectrum is higher than or equal to (or, higher than) the priority threshold corresponding to the sidelink business on the unlicensed spectrum (that is, the unlicensed spectrum).
  • the sidelink services on the unlicensed spectrum can be transmitted with priority, or in other words, the sidelink services on the unlicensed spectrum have a higher priority)
  • the target priority of the sidelink service on the unlicensed spectrum is lower than (or, lower than or equal to) the priority threshold corresponding to the sidelink service on the unlicensed spectrum (that is, on the unlicensed spectrum
  • the priority threshold corresponding to the sidelink service on the unlicensed spectrum that is, on the unlicensed spectrum
  • the sidelink services on the unlicensed spectrum cannot be transmitted preferentially, or the sidelink services on the unlicensed spectrum have a lower priority
  • the priority threshold corresponding to the sidelink service on the mobile phone determines the service for priority transmission and/or the service for low-priority transmission. For example, in the case where the priority of the sidelink service on the unlicensed spectrum is higher than or equal to the priority threshold corresponding to the sidelink business on the unlicensed spectrum, it is determined that the sidelink business on the unlicensed spectrum and/or the priority is transmitted Or transmit the uplink service with low priority.
  • the priority of the sidelink service on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink service on the unlicensed spectrum, it is determined to transmit the uplink service with priority and/or transmit the unlicensed service with low priority.
  • Sidelink services on licensed spectrum are lower than the priority threshold corresponding to the sidelink service on the unlicensed spectrum.
  • the terminal device determines whether the sidelink service on the unlicensed spectrum is based on the adjusted priority and the unlicensed spectrum.
  • the priority threshold corresponding to the sidelink services on the licensed spectrum determines the services that are transmitted with priority and/or the services that are transmitted with low priority.
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than or equal to the priority threshold corresponding to the sidelink business on the unlicensed spectrum, it is determined that the sidelink service on the unlicensed spectrum is transmitted first. uplink traffic and/or transmit the uplink traffic with low priority.
  • the uplink service on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink service on the unlicensed spectrum, it is determined whether the uplink service should be transmitted first and/or the low-priority transmission should be Sidelink services on unlicensed spectrum.
  • the terminal device when the terminal device cannot obtain the first information, the terminal device can adjust the priority according to the channel status on the unlicensed spectrum and the priority of the sidelink service on the unlicensed spectrum (that is, without adjusting the priority ) and the priority of the uplink service, determine the service to be transmitted with priority and/or the service to be transmitted with low priority.
  • the priority of the uplink service is higher than or equal to the priority threshold corresponding to the uplink service, it is determined to transmit the uplink service with priority and/or transmit the sidelink service on the unlicensed spectrum with low priority.
  • the priority of the uplink service is lower than the priority threshold corresponding to the uplink service, the priority of the sidelink service on the unlicensed spectrum (that is, the priority is not adjusted) and the priority of the sidelink service on the unlicensed spectrum.
  • the channel status determines the traffic that is transmitted with priority and/or the traffic that is transmitted with low priority.
  • the terminal device may determine to transmit the sidelink service on the unlicensed spectrum with priority and/or transmit the uplink service with low priority.
  • the terminal device may determine to transmit uplink services with priority and/or transmit sidelink services with low priority on the unlicensed spectrum.
  • the terminal device may determine to transmit the sidelink service on the unlicensed spectrum with priority and/or transmit the uplink service with low priority.
  • Embodiment 2-1, Embodiment 2-2 and Embodiment 2-3 may be executed when the terminal device cannot transmit the multiple to-be-transmitted services at the same time, or may also be performed based on the capability of the terminal device. It does not matter, this application does not limit this.
  • the terminal device may determine to transmit sidelink services on the unlicensed spectrum with priority and/or transmit the uplink services with low priority when the third condition is met, wherein,
  • the third condition includes at least one of the following:
  • the first LBT event did not occur on the unlicensed spectrum
  • a second LBT event occurs on the unlicensed spectrum
  • the priority of the uplink service is lower than the priority threshold corresponding to the uplink service
  • the priority of the sidelink service on the unlicensed spectrum is higher than the priority threshold corresponding to the sidelink business on the unlicensed spectrum;
  • the adjusted priority of the sidelink services on the unlicensed spectrum is higher than the priority threshold corresponding to the sidelink services on the unlicensed spectrum.
  • the terminal device may determine to transmit the uplink service with priority and/or transmit the sidelink service on the unlicensed spectrum with low priority when the fourth condition is met, wherein:
  • the fourth condition includes at least one of the following:
  • the first LBT event occurs on the unlicensed spectrum
  • the priority of the uplink service is higher than the priority threshold corresponding to the uplink service
  • the priority of the sidelink service on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink business on the unlicensed spectrum;
  • the adjusted priority of the sidelink services on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink services on the unlicensed spectrum.
  • Embodiment 1 and Embodiment 2 can be implemented individually or in combination, and this application is not limited thereto.
  • the terminal device may first determine the priority of the uplink service according to the priority of the uplink service and the corresponding priority of the uplink service.
  • the level threshold determines the priority transmission services.
  • the priority of the uplink service is higher than the priority threshold corresponding to the uplink service, it is determined that the uplink service is transmitted first.
  • the priority of the uplink service is lower than the priority threshold corresponding to the uplink service
  • the priority of the sidelink service on the licensed spectrum and the priority of the sidelink service on the unlicensed spectrum can be determined to determine the priority transmission service.
  • the priority transmission services are determined according to the method in Embodiment 1.
  • the terminal equipment can adjust the priority of the sidelink services on the unlicensed spectrum according to the channel status on the unlicensed spectrum, which is beneficial to ensure that appropriate services are used under different channel conditions on the unlicensed spectrum.
  • the transmission method transmits sidelink services on the license-free spectrum to improve transmission performance.
  • the terminal device when there are side-link services on the unlicensed spectrum and side-link services on the licensed spectrum that need to be transmitted at the same time, can be based on the priority of the side-link business on the unlicensed spectrum and the side-link service on the licensed spectrum. According to the priority of side-link services, the priority of transmission is selected. When comparing according to the priorities, the priority of side-link services on the unlicensed spectrum can be adjusted according to the channel status on the unlicensed spectrum, or it can be Unadjusted priority.
  • the terminal device can first determine the priority transmission service based on the priority of the uplink service and the priority threshold corresponding to the uplink service. For example, when the priority of the uplink service is higher than the priority threshold corresponding to the uplink service, the uplink service is transmitted first; when the priority of the uplink service is lower than the priority threshold corresponding to the uplink service, the uplink service is transmitted according to the license-free spectrum. The priority of the side-link service and the priority threshold corresponding to the side-link service on the unlicensed spectrum are used to determine the priority transmission service.
  • the priority of the sidelink service on the unlicensed spectrum is transmitted first, or, when the priority of the sidelink service on the unlicensed spectrum is higher than When the priority of sidelink services on the spectrum is lower than the priority threshold corresponding to sidelink services on the unlicensed spectrum, uplink services are transmitted first.
  • the priority of the sidelink service on the unlicensed spectrum may be adjusted according to the channel status on the unlicensed spectrum, or may be an unadjusted priority.
  • Figure 5 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the processing unit 510 is configured to adjust the priority of sidelink services on the license-free spectrum according to the channel status on the license-free spectrum.
  • the channel status on the unlicensed spectrum includes at least one of the following:
  • processing unit 510 is also used to:
  • Priority adjustment information where the adjustment information is related to the channel status on the unlicensed spectrum.
  • the first information is used to indicate a correspondence between the channel status on the unlicensed spectrum and the adjustment information of the priority of the sidelink service on the unlicensed spectrum.
  • the corresponding relationship between the channel status on the unlicensed spectrum and the priority adjustment information of the sidelink services on the unlicensed spectrum includes:
  • the first information includes at least one of the following:
  • First indication information used to indicate the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur. adjustment amount;
  • Second indication information used to indicate the adjustment of the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs.
  • Third indication information used to indicate the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur. Adjustment amount.
  • the corresponding relationship between the channel status on the unlicensed spectrum and the priority adjustment information of the sidelink services on the unlicensed spectrum includes:
  • the first information includes at least one of the following:
  • the first correspondence is used to indicate the correspondence between the priority of the sidelink service on the unlicensed spectrum when the first LBT event does not occur and the priority of the sidelink service on the unlicensed spectrum when the first LBT event occurs;
  • the second correspondence is used to indicate the correspondence between the priority of the sidelink business on the unlicensed spectrum when the second LBT event occurs and the priority of the sidelink business on the unlicensed spectrum when the first LBT event occurs;
  • the third correspondence is used to indicate the correspondence between the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur and the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs. relation;
  • the first priority is used to indicate the adjusted priority of the sidelink traffic on the unlicensed spectrum in the event of the first LBT event;
  • the second priority is used to indicate the adjusted priority of sidelink services on the unlicensed spectrum in the event of a second LBT event.
  • processing unit 510 is also used to:
  • the priority of the sidelink service on the unlicensed spectrum is adjusted according to the first information.
  • the first information is configured by a network device, or the first information is determined according to preset rules.
  • processing unit 510 is also used to:
  • services to be transmitted with priority and/or services with low priority are determined among the multiple services to be transmitted, where the multiple services to be transmitted include sidelink services on unlicensed spectrum and Businesses on licensed spectrum.
  • processing unit 510 is also used to:
  • the capability of the terminal device cannot transmit the plurality of services to be transmitted at the same time, according to the priorities of the plurality of services to be transmitted, determine the priority transmission service and/or among the plurality of services to be transmitted. or low-priority transmission services.
  • the services on the licensed spectrum include sidelink services on the licensed spectrum
  • the processing unit 510 is also used to:
  • the adjusted priority of the sidelink service on the unlicensed spectrum and the priority of the sidelink service on the licensed spectrum determine the priority transmission service and/or the low priority transmission service.
  • processing unit 510 is also used to:
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum, determine that the sidelink service on the unlicensed spectrum is transmitted first and/or the low priority Transmit sidelink traffic on the licensed spectrum; or
  • processing unit 510 is also used to:
  • the first condition includes at least the following: one:
  • the first LBT event occurs on the unlicensed spectrum
  • the priority of sidelink services on the licensed spectrum is higher than the priority of sidelink services on the unlicensed spectrum
  • the priority of sidelink services on the licensed spectrum is higher than the adjusted priority of sidelink services on the unlicensed spectrum.
  • processing unit 510 is also used to:
  • the second condition includes at least the following: one:
  • the first LBT event did not occur on the unlicensed spectrum
  • a second LBT event occurs on the unlicensed spectrum
  • the priority of sidelink services on the unlicensed spectrum is higher than the priority of sidelink services on the licensed spectrum
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than the priority of the sidelink service on the licensed spectrum.
  • the services on the licensed spectrum are uplink services on the licensed spectrum
  • the processing unit 510 is also used to:
  • the priority of the uplink service is higher than the priority threshold corresponding to the uplink service, determine to transmit the uplink service first and/or transmit the sidelink service on the license-free spectrum with low priority;
  • the priority transmission service and/or the low priority transmission service are determined based on the adjusted priority of the sidelink service on the license-free spectrum. .
  • processing unit 510 is also used to:
  • the adjusted priority of the sidelink service on the unlicensed spectrum and the priority threshold corresponding to the sidelink service on the unlicensed spectrum determine the priority transmission service and/or the low priority transmission service.
  • processing unit 510 is also used to:
  • the adjusted priority of the sidelink service on the unlicensed spectrum is higher than or equal to the priority threshold corresponding to the sidelink service on the unlicensed spectrum, it is determined to prioritize transmission of the sidelink service on the unlicensed spectrum.
  • the adjusted priority of the sidelink service on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink service on the unlicensed spectrum, it is determined to prioritize transmission of the uplink service and/or low priority transmission.
  • Sidelink services on unlicensed spectrum are determined to prioritize transmission of the uplink service and/or low priority transmission.
  • processing unit 510 is also used to:
  • the third condition When the third condition is met, it is determined to give priority to transmit sidelink services on the unlicensed spectrum and/or to transmit the uplink services with low priority, wherein the third condition includes at least one of the following:
  • the first LBT event did not occur on the unlicensed spectrum
  • a second LBT event occurs on the unlicensed spectrum
  • the priority of the uplink service is lower than the priority threshold corresponding to the uplink service
  • the priority of the sidelink service on the unlicensed spectrum is higher than the priority threshold corresponding to the sidelink business on the unlicensed spectrum;
  • the adjusted priority of the sidelink services on the unlicensed spectrum is higher than the priority threshold corresponding to the sidelink services on the unlicensed spectrum.
  • processing unit 510 is also used to:
  • the fourth condition includes at least one of the following:
  • the first LBT event occurs on the unlicensed spectrum
  • the priority of the uplink service is higher than the priority threshold corresponding to the uplink service
  • the priority of the sidelink service on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink business on the unlicensed spectrum;
  • the adjusted priority of the sidelink services on the unlicensed spectrum is lower than the priority threshold corresponding to the sidelink services on the unlicensed spectrum.
  • the priority threshold corresponding to the sidelink traffic on the unlicensed spectrum is predefined or configured by the network device.
  • the first LBT event includes a LBT failure event and/or a continued LBT failure event.
  • the second LBT event includes an LBT recovery event.
  • the above-mentioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the terminal device 500 are respectively to implement the method shown in Figure 4
  • the corresponding process of the terminal equipment in 400 will not be repeated here for the sake of simplicity.
  • Figure 6 shows a schematic block diagram of a network device 600 according to an embodiment of the present application.
  • the network device 600 includes:
  • Communication unit 610 configured to send first information to the terminal device, where the first information is used to indicate adjustment information for the priority of sidelink services on the unlicensed spectrum, where the adjustment information is consistent with the channel status of the unlicensed spectrum.
  • the first information is used to indicate a correspondence between the channel status on the unlicensed spectrum and the adjustment information of the priority of the sidelink service on the unlicensed spectrum.
  • the corresponding relationship between the channel status on the unlicensed spectrum and the adjustment information of the priority of sidelink services on the unlicensed spectrum includes:
  • the first information includes at least one of the following:
  • the first indication information is used to indicate the adjustment amount of the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur;
  • the second indication information is used to indicate the adjustment amount of the priority of the sidelink service on the unlicensed spectrum when the second LBT event occurs relative to the priority of the sidelink service on the unlicensed spectrum when the first LBT event occurs;
  • the third indication information is used to indicate the adjustment amount of the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs relative to the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur.
  • the corresponding relationship between the channel status on the unlicensed spectrum and the priority adjustment information of the sidelink services on the unlicensed spectrum includes:
  • the first information includes at least one of the following:
  • the first correspondence relationship is used to indicate the correspondence between the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur and the priority of sidelink services on the unlicensed spectrum when the first LBT event occurs.
  • the second correspondence is used to indicate the correspondence between the priority of the sidelink service on the unlicensed spectrum when the second LBT event occurs and the priority of the sidelink service on the unlicensed spectrum when the first LBT event occurs.
  • the third correspondence is used to indicate the correspondence between the priority of sidelink services on the unlicensed spectrum when the first LBT event does not occur and the priority of sidelink services on the unlicensed spectrum when the second LBT event occurs. relation;
  • the first priority is used to indicate the adjusted priority of the sidelink traffic on the unlicensed spectrum in the event of the first LBT event;
  • the second priority is used to indicate the adjusted priority of sidelink services on the unlicensed spectrum in the event of a second LBT event.
  • the first LBT event includes a LBT failure event and/or a continued LBT failure event
  • the second LBT event includes an LBT recovery event.
  • the first information is sent through at least one of the following signaling: broadcast message, dedicated signaling.
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • network device 600 may correspond to the network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 600 are respectively to implement the method shown in Figure 4
  • the corresponding process of the network equipment in 400 will not be repeated here for the sake of simplicity.
  • Figure 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device 700 shown in Figure 7 includes a processor 710.
  • the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
  • the communication device 700 can also include a transceiver 730, and the processor 710 can control the transceiver 730 to communicate with other devices. Specifically, it can send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may specifically be a terminal device according to the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details will not be repeated here. .
  • the communication device 700 may be specifically a network device according to the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, details will not be repeated here. .
  • FIG 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 800 shown in Figure 8 includes a processor 810.
  • the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 800 may also include a memory 820 .
  • the processor 810 can call and run the computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810 , or may be integrated into the processor 810 .
  • the chip 800 may also include an input interface 830.
  • the processor 810 can control the input interface 830 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 800 may also include an output interface 840.
  • the processor 810 can control the output interface 840 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the details will not be described again.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Figure 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method.
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application can also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the terminal device in each method of the embodiment of the present application. For the sake of simplicity, here No longer.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, they are not included here. Again.
  • the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiment of the present application.
  • the terminal device in the embodiment of the present application
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiment of the present application.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiment of the present application.
  • the computer program For the sake of simplicity , which will not be described in detail here.
  • the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiment of the present application. For the sake of simplicity , which will not be described in detail here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions described are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif réseau. Le procédé comprend les étapes suivantes : un dispositif terminal règle la priorité d'un service de liaison latérale sur un spectre sans licence en fonction d'un état de canal sur le spectre sans licence.
PCT/CN2022/108641 2022-07-28 2022-07-28 Procédé de communication sans fil, dispositif terminal et dispositif réseau WO2024020938A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/108641 WO2024020938A1 (fr) 2022-07-28 2022-07-28 Procédé de communication sans fil, dispositif terminal et dispositif réseau

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Application Number Priority Date Filing Date Title
PCT/CN2022/108641 WO2024020938A1 (fr) 2022-07-28 2022-07-28 Procédé de communication sans fil, dispositif terminal et dispositif réseau

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210022056A1 (en) * 2018-05-10 2021-01-21 Lg Electronics Inc. Method and apparatus for deprioritizing access on unlicensed band based on ue preference in wireless communication system
CN114208373A (zh) * 2019-08-14 2022-03-18 高通股份有限公司 用于未授权射频频谱带的信道接入过程
WO2022086683A1 (fr) * 2020-10-22 2022-04-28 Google Llc Procédé de prise en charge d'internet industriel des objets (iiot) avec octrois de liaison montante configurés sur un spectre partagé
WO2022086082A1 (fr) * 2020-10-22 2022-04-28 Lg Electronics Inc. Procédé et appareil de gestion de collision de ressources dans un système de communication sans fil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210022056A1 (en) * 2018-05-10 2021-01-21 Lg Electronics Inc. Method and apparatus for deprioritizing access on unlicensed band based on ue preference in wireless communication system
CN114208373A (zh) * 2019-08-14 2022-03-18 高通股份有限公司 用于未授权射频频谱带的信道接入过程
WO2022086683A1 (fr) * 2020-10-22 2022-04-28 Google Llc Procédé de prise en charge d'internet industriel des objets (iiot) avec octrois de liaison montante configurés sur un spectre partagé
WO2022086082A1 (fr) * 2020-10-22 2022-04-28 Lg Electronics Inc. Procédé et appareil de gestion de collision de ressources dans un système de communication sans fil

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